<template>

  <div class="app-container">
<!-- header -->
<mt-header fixed title="张远涛自学vue项目">
    <span  slot="left" @click="goBack" v-show="flag">
    <mt-button icon="back">返回</mt-button>
  </span>
</mt-header>



<!-- 路由 -->

<transition>
    <router-view></router-view>
</transition>




<!-- tabbar -->
<nav class="mui-bar mui-bar-tab">
    <router-link class="mui-tab-item-lib" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
    </router-link>

    <router-link class="mui-tab-item-lib" to="/member">
        <span class="mui-icon mui-icon-contact">
            </span>
        <span class="mui-tab-label">会员</span>
    </router-link>

    <router-link class="mui-tab-item-lib" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
            <span class="mui-badge" id="badge">{{ $store.getters.getAllCount}}</span>
        </span>
        <span class="mui-tab-label">购物车</span>
    </router-link>

    <router-link class="mui-tab-item-lib" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
    </router-link>
</nav>
   

    

  </div>
</template>

<script>
export default {
    data(){
        return{
            flag :false
        }
    },
    created() {
        this.flag = this.$route.path === "/home" ? false : true
    },
    methods:{
        goBack(){
            this.$router.go(-1);
        }
    },
    watch:{
        '$route.path':function(newVal){
            if(newVal === "/home"){
                this.flag = false
            }else{
                this.flag = true
            }
        }
    }
}
</script>

<style lang="scss" scoped>
.mint-header{
    z-index: 99;
}
.app-container{
    padding-top: 40px;
    padding-bottom: 50px;
    overflow-x: hidden;
}

.v-enter
{
    opacity: 0;
    transform: translateX(100%);
    // position: absolute;
}
.v-leave-to{
    opacity: 0;
    transform: translateX(-100%);
    position: absolute;
}
.v-enter-active,
.v-leave-active{
    transition: all 0.5S ease;
}

.mui-bar-tab .mui-tab-item-lib.mui-active{
        color: #007aff;
}
.mui-bar-tab .mui-tab-item-lib {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-lib .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
